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DE69222588D1 - Non-contact ring-shaped magnetized torque sensor, method and converter ring - Google Patents

Non-contact ring-shaped magnetized torque sensor, method and converter ring

Info

Publication number
DE69222588D1
DE69222588D1 DE69222588T DE69222588T DE69222588D1 DE 69222588 D1 DE69222588 D1 DE 69222588D1 DE 69222588 T DE69222588 T DE 69222588T DE 69222588 T DE69222588 T DE 69222588T DE 69222588 D1 DE69222588 D1 DE 69222588D1
Authority
DE
Germany
Prior art keywords
ring
torque sensor
converter
shaped magnetized
magnetized torque
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69222588T
Other languages
German (de)
Other versions
DE69222588T2 (en
Inventor
Ivan J Garshelis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Magna Lastic Devices Inc
Original Assignee
Magnetoelastic Devices Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Magnetoelastic Devices Inc filed Critical Magnetoelastic Devices Inc
Application granted granted Critical
Publication of DE69222588D1 publication Critical patent/DE69222588D1/en
Publication of DE69222588T2 publication Critical patent/DE69222588T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
    • G01L3/02—Rotary-transmission dynamometers
    • G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
    • G01L3/10—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
    • G01L3/101—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means
    • G01L3/102—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means involving magnetostrictive means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
    • G01L3/02—Rotary-transmission dynamometers
    • G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
    • G01L3/10—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
    • G01L3/101—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means
    • G01L3/102—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means involving magnetostrictive means
    • G01L3/103—Details about the magnetic material used
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N35/00—Magnetostrictive devices
    • H10N35/101—Magnetostrictive devices with mechanical input and electrical output, e.g. generators, sensors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Power Steering Mechanism (AREA)
DE69222588T 1991-07-29 1992-07-17 Non-contact ring-shaped magnetized torque sensor, method and converter ring Expired - Lifetime DE69222588T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/736,299 US5351555A (en) 1991-07-29 1991-07-29 Circularly magnetized non-contact torque sensor and method for measuring torque using same

Publications (2)

Publication Number Publication Date
DE69222588D1 true DE69222588D1 (en) 1997-11-13
DE69222588T2 DE69222588T2 (en) 1998-05-20

Family

ID=24959334

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69222588T Expired - Lifetime DE69222588T2 (en) 1991-07-29 1992-07-17 Non-contact ring-shaped magnetized torque sensor, method and converter ring

Country Status (5)

Country Link
US (5) US5351555A (en)
EP (1) EP0525551B1 (en)
JP (1) JP2566709B2 (en)
CA (1) CA2073293C (en)
DE (1) DE69222588T2 (en)

Families Citing this family (243)

* Cited by examiner, † Cited by third party
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US5706572A (en) 1998-01-13
CA2073293C (en) 1996-11-05
US20010029792A1 (en) 2001-10-18
CA2073293A1 (en) 1993-01-30
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US5465627A (en) 1995-11-14
EP0525551B1 (en) 1997-10-08
JP2566709B2 (en) 1996-12-25
EP0525551A2 (en) 1993-02-03
US5351555A (en) 1994-10-04
US6490934B2 (en) 2002-12-10
JPH05196517A (en) 1993-08-06
US5887335A (en) 1999-03-30

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